The romantic and beautiful honeymoon trip suddenly came to an abrupt end with a car accident. He Man (Bai Baihe), who was once immersed in supreme happiness, woke up from a coma, but learned from her sister He Qi (Dai Junzhu) that she had divorced her beloved husband Xie Yu (Zhang Xiaoquan). It turned out that she had just had a car accident not long ago, causing her to forget everything that had happened in the past five years, and her last memory only stayed at the dream moment of her honeymoon in 2007. In five years, too many things have happened to the people around her and the whole world. She burst into tears and found Xie Yu, who already had a new girlfriend, eager to regain her memories of the past. Perhaps because he felt sorry for this woman who once made him love and hate, Xie Yu temporarily left He Man at home. Lost time and memory, what is the treasure in each other's hearts after things have changed...